Sync for Lemmy

I'm updating the markdown parser and want to be sure I'm handling all new types of links e.g. links to communities or users.

If you can please comment any examples I'll add support.

Cheers, Lj!

edit: testing a link

edit 2: https://lemmy.world/post/1986302

edit 3: https://feddit.uk/post/699250

edit 4: https://lemmy.ml/post/2335045

edit 5: https://lemmy.world/comment/1706265

edit 6: https://lemmy.ml/comment/1651859

edit 7: https://lemmy.ml/c/asklemmy

edit 8: https://kerala.party/c/asklemmy@lemmy.ml

edit 9: https://lemmy.ml/u/ljdawson

edit 8: https://kerala.party/u/ljdawson@lemmy.world

edit 9: @ljdawson@lemmy.world